:root {
    color-scheme: light;
    --bg: #0f172a;
    --card: #111827;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --accent: #38bdf8;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
    background: radial-gradient(circle at top, #1e293b 0%, #0f172a 45%, #020617 100%);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1.5rem;
}

.hero {
    max-width: 860px;
    width: 100%;
    background: rgba(17, 24, 39, 0.75);
    border: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: 24px;
    padding: 3rem;
    backdrop-filter: blur(12px);
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.55);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--accent);
    border: 1px solid rgba(56, 189, 248, 0.4);
    border-radius: 999px;
    padding: 0.35rem 0.85rem;
    margin-bottom: 1.5rem;
}

h1 {
    margin: 0 0 0.75rem;
    font-size: clamp(2rem, 3vw, 3rem);
}

p {
    margin: 0.4rem 0 1.2rem;
    color: var(--muted);
    line-height: 1.6;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

h2 {
    margin: 0 0 0.75rem;
    font-size: 1.1rem;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.4rem;
    color: var(--muted);
}

.muted {
    color: rgba(148, 163, 184, 0.9);
}